head to head
Neither is simply harder - they are hard in different places. Fallout: New Vegas demands more execution; International Cricket Captain 2008 demands more variance.

Optimization · Pure Optimization
A faction-driven RPG-shooter where build and route planning shape every ending.
Optimization · Pure Optimization
A deep cricket team management simulation.
Fallout: New Vegas leans Optimization (Pure Optimization); International Cricket Captain 2008 leans Optimization (Pure Optimization).
Fallout: New Vegas leans clearly harder on execution.
Fallout: New Vegas
Shooter inputs with VATS assist
International Cricket Captain 2008
minimal direct input, mostly management
International Cricket Captain 2008 leans a little harder on reads, though the gap is small.
Fallout: New Vegas
Scripted factions and enemies
International Cricket Captain 2008
opposing captain tactics somewhat readable
International Cricket Captain 2008 leans clearly harder on variance.
Fallout: New Vegas
Some loot and crit RNG
International Cricket Captain 2008
weather and pitch conditions randomized
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Fallout: New Vegas
Faction routing, perks, builds heavily rewarded
International Cricket Captain 2008
team selection and match strategy
A matching score does not mean a matching test. Two games can both sit at 10 on execution and demand completely different things of you - which is why the reasoning above matters more than the number beside it.